Unit Plan
Scholastic

Scholastic: Study Jams! Math: Addition and Subtraction: Without Regrouping

For Students K - 1st Standards
Solve word problems with addition and subtraction without regrouping. Then test your knowledge.
Lesson Plan
Other

Nearpod: Subtraction With Regrouping: Three Digit

For Teachers 2nd - 4th Standards
In this lesson on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 3-digit numbers.
Lesson Plan
Other

Nearpod: Subtraction With Regrouping: Two Digit

For Teachers 2nd - 4th Standards
In this instructional activity on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 2-digit numbers.
Lesson Plan
Scholastic

Scholastic: Max's Math Adventures: Subtraction Square Dance

For Teachers 3rd - 5th
This site has a square dance rhyme with some fun subtraction practice. Teachers will appreciate the activity page, the extra challenges, and the teacher's guide for easy lesson planning.
Activity
NumberNut

Number Nut: Subtraction: 2 Digit Numbers

For Students 3rd - 8th Standards
Subtracting from two-digit numbers can be "as easy as pie" when you follow these instructions. Then practice the skills doing the two interactive activities; one with regrouping and one without.
Unknown Type
Other

Project Happy Child: Free Subtraction Worksheets

For Teachers Pre-K - 1st Standards
2000 basic subtraction worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
Whiteboard
ClassFlow

Class Flow: Subtraction With Regrouping

For Teachers Pre-K - 1st
[Free Registration/Login Required] This flipchart reviews 2 Digit subtraction with regrouping for 2 grade students.
Activity
NumberNut

Number Nut: Subtraction: Borrowing

For Students 3rd - 8th
Sometimes you need to borrow when subtracting. This lesson takes you through the steps. Then practice the skills with the interactive activities using two and three-digit subtraction with borrowing.
Activity
Beacon Learning Center

Beacon Learning Center: School Store

For Students 1st - 3rd
Students can practice subtraction with regrouping using decimals as they make change.
Unknown Type
Khan Academy

Khan Academy: Regrouping: Two Digit Number Minus One Digit Number

For Students Pre-K - 1st Standards
In this exercise, students practice regrouping with two-digit number minus one-digit number. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Addition and Subtraction: Additon With Regrouping

For Students K - 1st Standards
Solve problems step by step by addition with regrouping.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...
Website
Cool Math

Coolmath: Coolmath4kids: Subtraction

For Students K - 1st Standards
A set of seven short tutorials on subtraction. Begins with a basic introduction to how subtraction works and covers topics such as fact families, place value, and regrouping.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem without regrouping. The video is followed by additional problems for students to practice the skills...
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nbt to Regroup or Not to Regroup

For Teachers 3rd - 5th Standards
Sometimes when we subtract one number from another number we "regroup," and sometimes we don't. For example, if we subtract 38 from 375, we can "regroup" by converting a ten to 10 ones: Aligns with 4.NBT.B.
Lesson Plan
Alabama Learning Exchange

Alex: Three Digit Subtraction

For Teachers 3rd - 5th Standards
This lesson uses technology and literature to teach subtraction of three-digit numbers, including subtraction across zeros.
Activity
NumberNut

Number Nut: Subtraction: 1 to 10

For Students Pre-K - 1st Standards
Subtraction is about taking things away. Learn how to set up the problem and work with single-digits to 10. Then practice the skills with the two interactive subtraction activities.
Unknown Type
Khan Academy

Khan Academy: Regrouping When Adding One Digit Numbers

For Students Pre-K - 1st Standards
In this exercise, students practice regrouping when adding one-digit numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Adding Two Digit Numbers (No Regrouping)

For Students Pre-K - 1st Standards
In this exercise, students practice adding two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Overview of Subtraction Numbers to 100 Word Problems

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video explains two subtraction problems one with regrouping and the other without regrouping.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtraction 3 Digits Minus 2 Digits

For Students 2nd - 5th
[Free Registration/Login may be required to access all resource tools.] The video describes how to use regrouping when subtraction a two-digit number from a three-digit number. The video is followed by additional problems for students to...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: One Step Subtraction Numbers to 100 Word Problems

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video is a subtraction word problem that describes how to subtract using regrouping. The video is followed by a series of practice questions to assess student...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video describes how to subtract two-digit numbers using regrouping. The video is followed by additional problems for students to practice the skills discussed in...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction problem with two digit numbers. The video is followed by a series of practice questions to assess student comprehension of the concept.

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